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JOHN SIMPSON

Overview
  • Total Patents
    17
About

JOHN SIMPSON has a total of 17 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets consumer goods, environmental technology and machine tools are CAO JIANSHENG, DOU QIYING and LOUISON BERNARD.

Patent filings in countries

World map showing JOHN SIMPSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 United States 4
#3 Germany 2
#4 Australia 1
#5 France 1

Patent filings per year

Chart showing JOHN SIMPSONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Simpson 3
#2 Simpson Jr John 2
#3 Jacobs William J 1
#4 George O'Dell 1
#5 Simpson John 1
#6 Jun John Simpson 1

Latest patents

Publication Filing date Title
GB201313469D0 Fishing Tackle
GB721165A Improvements relating to garment and like presses
US2663955A Garment and like press
GB682770A Improvements relating to garment and like presses
US2663956A Garment press with a single manual control
GB643285A Improvements relating to garment and like presses
GB643270A Improvements relating to rotary garment and like presses
US2354484A Fountain pen
GB427599A Improvements in means for punching holes in tanks or cisterns
GB173873A Electrical indicating apparatus for indicating the opening or closing of electrical contacts and the sequence in which the contacts were opened or closed
GB170156A Improvements in or relating to carburetters for internal combustion engines
GB150949A Improved air heater for use with internal combustion engines
US1155927A Saw-set.
AU650606B Improvements in and relating to ball float valves for water cisterns